Any activity in Class AA water that causes an alteration from the naturally occurring flow must protect all water quality standards, including the free-flowing characteristic. In-stream dams or other permanent alterations of the natural stream channel are prohibited. Activities, including the construction of structures in or adjacent to a waterbody to provide water withdrawal, or temporary diversions necessary as part of approved construction activity, may be permitted according to provisions in the Natural Resources Protection Act ( 38 M.R.S.A. Section480).
06-096 C.M.R. ch. 587, § 13